Java tutorial
//package com.java2s; import android.content.Context; import android.net.ConnectivityManager; import android.net.NetworkInfo; public class Main { public static boolean isMobileConnected(Context context) { if (context != null) { ConnectivityManager connManager = (ConnectivityManager) context .getSystemService(Context.CONNECTIVITY_SERVICE); NetworkInfo mobileInfo = connManager.getNetworkInfo(ConnectivityManager.TYPE_MOBILE); if (mobileInfo != null) { return mobileInfo.isAvailable(); } } return false; } }